Add inv* CSS classes
Handle state in code, not in HTML; support more ANSI codes
Adapt tests to new approach to state
Add CSS classes for lighter font style (2), blinking (5/6), hidden text (8)
Save producing no-op span tags

Example: <span style="">visible</span>
Test ANSI codes that just turned supported
Make code testing pairs of files re-usable
Add testcase for output from "eix -I svn -F"

(eix version 0.29.4)
Tweak for py3 support.
Add py3.3 to travis config.
Merge branch 'stateful' into develop